454344228 has 120 divisors (see below), whose sum is σ = 1287067320. Its totient is φ = 138931200.

The previous prime is 454344223. The next prime is 454344229. The reversal of 454344228 is 822443454.

It can be written as a sum of positive squares in 4 ways, for example, as 34012224 + 420332004 = 5832^2 + 20502^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 454344192 and 454344201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454344223) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1132828 + ... + 1133228.

It is an arithmetic number, because the mean of its divisors is an integer number (10725561).

Almost surely, 2^454344228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454344228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643533660).

454344228 is an abundant number, since it is smaller than the sum of its proper divisors (832723092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

454344228 is a wasteful number, since it uses less digits than its factorization.

454344228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 688 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

The square root of 454344228 is about 21315.3519323515. The cubic root of 454344228 is about 768.7674822913.

The spelling of 454344228 in words is "four hundred fifty-four million, three hundred forty-four thousand, two hundred twenty-eight".